Patio Fun sells a folding chair that they planned to sell for $30 each during the year. Variable costs were budgeted at $10 per chair on projected volume of 1,000 chairs. They had budgeted fixed costs of $15,000 For the year they actually sold 1,200 chairs and fixed costs were $17,000. Their contribution margin was $1 more per unit than budgeted. Calculate the impact on profits due to: Activity Variance Total Revenue and Spending Variances